Finding the Fourth Proportional to 65,943.69, 91,033.83 and 37,643.91

Step by Step Solution

1. Step 1: Write the proportion equation
   65,943.69 : 91,033.83 = 37,643.91 : x
2. Step 2: Convert to fraction form
   65,943.69/91,033.83 = 37,643.91/x
3. Step 3: Cross multiply
   65,943.69x = 91,033.83 × 37,643.91
4. Step 4: Simplify right side
   65,943.69x = 3,426,869,303.48
5. Step 5: Solve for x
   x = 3,426,869,303.48/65,943.69
6. Step 6: Final answer
   x = 51,966.60